1984 Mercury Topaz Differentials
Keep Your 1984 Mercury Topaz in Top Shape with Quality Differentials
Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1984 Mercury Topaz looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Bearings and Pinion Shaft Seals. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.
Top-Rated Differentials from Trusted Brands
Looking for a reliable Differential? We’ve got you covered with options from brands you know and trust like National. For example, National Differentials start at just $18.99 with an average 4.3 star rating. With over 28 reviews and a solid 5 star average, you can shop with confidence knowing other Mercury Topaz owners approve.
Competitive Prices and Extensive Inventory
The average price for a 1984 Mercury Topaz Differential at Advance Auto Parts is around $18.02, with a range that starts at $6.69 and goes up to $28.49. With 7 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like Bearing Race, Shaft Repair Sleeve, and Bearing – TRB (Tapered Roller Bearing) start at just $8.49 and offer a great balance of form and function.
Explore Related Parts
While you’re upgrading or replacing your Differential, don’t forget to check out other key components like Drive Shafts and Axles and Transfer Cases. At Advance Auto Parts, we’re here to help you keep your 1984 Mercury Topaz in peak condition, inside and out.
Find Your Specific 1984 Mercury Topaz Differentials
Looking for the perfect Differential for your 1984 Mercury Topaz? You’re in the right place. Below, you’ll find links to various types of Differentials that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Differentials, ensuring durability and a precise fit for your Mercury Topaz. Whether you’re driving a 1984 model or another popular model year like
1986,
1987,
1988,
1989,
1990,
1991,
1992,
1993, and
1994, we’ve got you covered. Purchasing Differentials from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Differentials that fit your vehicle.
Essential 1984 Mercury Topaz Differentials
National – Shaft Repair Sleeve (Part No.99114)
from
$27.99
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
Product Features:
See More
Product Features:
- Designed to repair damaged, grooved or worn shafts
- Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
- Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
- Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
- Easy to install with removable flange and installation tool
Driveworks – Tapered Cone/Cup Wheel Bearing Set (Part No.S-A-35)
from
$26.99
Value-priced bearing meets all cataloged application requirements.
Product Features:
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Product Features:
- Brand may vary by location
National – Multi-Purpose Bearing (Part No.A-37)
from
$18.99
Product Features:
See More
- CONSISTENT PERFORMANCE: Matched cup and cone components ensure consistent performance
- PREMIUM MATERIALS: Precision manufactured using premium-grade steel for outstanding durability and performance
- SMOOTH ROTATION: Crowned raceways and rollers for even load distribution
- OE-STYLE DESIGN: Engineered to meet OE specifications
- COMPREHENSIVE COVERAGE: Industry-leading coverage for domestic and import applications
- RIGOROUS TESTING: Comprehensive testing throughout design and development processes by National engineers for quality you can count on
FAG US – Bearing – TRB (Tapered Roller Bearing) (Part No.KT11)
from
$21.79
With advanced load-carrying capacity and compact design, tapered roller bearings are used in wheel bearings, transmissions, differentials, transfer cases and other miscellanous applications. FAG manufacturers over 100 million tapered roller bearings annually.
Product Features:
See More
Product Features:
- High-precision and High-quality components used in all KITs
- Coverage of classic and new high-tech solutions for the best system coverage
FAG US – Bearing – TRB (Tapered Roller Bearing) (Part No.KT37)
from
$28.49
With advanced load-carrying capacity and compact design, tapered roller bearings are used in wheel bearings, transmissions, differentials, transfer cases and other miscellanous applications. FAG manufacturers over 100 million tapered roller bearings annually.
Product Features:
See More
Product Features:
- High-precision and High-quality components used in all KITs
- Coverage of classic and new high-tech solutions for the best system coverage
FAG US – Cup (Part No.LM501310)
from
$9.99
With advanced load-carrying capacity and compact design, tapered roller bearings are used in wheel bearings, transmissions, differentials, transfer cases and other miscellanous applications. FAG manufacturers over 100 million tapered roller bearings annually.
Product Features:
See More
Product Features:
- High-precision and High-quality components used in all KITs
- Coverage of classic and new high-tech solutions for the best system coverage
FAG US – Cone (Part No.KM86649)
from
$24.29
With advanced load-carrying capacity and compact design, tapered roller bearings are used in wheel bearings, transmissions, differentials, transfer cases and other miscellanous applications. FAG manufacturers over 100 million tapered roller bearings annually.
Product Features:
See More
Product Features:
- High-precision and High-quality components used in all KITs
- Coverage of classic and new high-tech solutions for the best system coverage
FAG US – Bearing – DGBB (Deep Groove Ball Bearing) (Part No.6208-C3)
from
$24.79
We develop and produce high-quality roller bearings, spherical bearings, and plain bearings worldwide for a wide range of applications.
Product Features:
See More
Product Features:
- Radial Ball Bearing, Both Sides Shield.
- Coverage of classic and new high-tech solutions for the best system coverage
FAG US – Cup (Part No.LM67010)
from
$6.69
With advanced load-carrying capacity and compact design, tapered roller bearings are used in wheel bearings, transmissions, differentials, transfer cases and other miscellanous applications. FAG manufacturers over 100 million tapered roller bearings annually.
Product Features:
See More
Product Features:
- High-precision and High-quality components used in all KITs
- Coverage of classic and new high-tech solutions for the best system coverage
National – Bearing Race (Part No.JL69310)
from
$7.29
Product Features:
See More
- PREMIUM MATERIALS: Precision manufactured using premium-grade steel for outstanding durability and performance
- SMOOTH ROTATION: Crowned raceways for even load distribution
- OE-STYLE DESIGN: Engineered to meet OE specifications
- COMPREHENSIVE COVERAGE: Industry-leading coverage for domestic and import applications
- RIGOROUS TESTING: Comprehensive testing throughout design and development processes by National engineers for quality you can count on
National – Bearing Race (Part No.LM501310)
from
$8.49
Product Features:
See More
- PREMIUM MATERIALS: Precision manufactured using premium-grade steel for outstanding durability and performance
- SMOOTH ROTATION: Crowned raceways for even load distribution
- OE-STYLE DESIGN: Engineered to meet OE specifications
- COMPREHENSIVE COVERAGE: Industry-leading coverage for domestic and import applications
- RIGOROUS TESTING: Comprehensive testing throughout design and development processes by National engineers for quality you can count on
Popular 1984 Mercury Topaz Differentials Categories
Most Popular Differential Bearings for 1984 Mercury Topazs
Enhance your 1984 Mercury Topaz with one of the 6 Differential Bearings we have in stock, starting at just $6.69.
National – Multi-Purpose Bearing (Part No.A-37)
from
$18.99
Product Features:
See More
- CONSISTENT PERFORMANCE: Matched cup and cone components ensure consistent performance
- PREMIUM MATERIALS: Precision manufactured using premium-grade steel for outstanding durability and performance
- SMOOTH ROTATION: Crowned raceways and rollers for even load distribution
- OE-STYLE DESIGN: Engineered to meet OE specifications
- COMPREHENSIVE COVERAGE: Industry-leading coverage for domestic and import applications
- RIGOROUS TESTING: Comprehensive testing throughout design and development processes by National engineers for quality you can count on
National – Bearing Race (Part No.LM501310)
from
$8.49
Product Features:
See More
- PREMIUM MATERIALS: Precision manufactured using premium-grade steel for outstanding durability and performance
- SMOOTH ROTATION: Crowned raceways for even load distribution
- OE-STYLE DESIGN: Engineered to meet OE specifications
- COMPREHENSIVE COVERAGE: Industry-leading coverage for domestic and import applications
- RIGOROUS TESTING: Comprehensive testing throughout design and development processes by National engineers for quality you can count on
FAG US – Bearing – TRB (Tapered Roller Bearing) (Part No.KT37)
from
$28.49
With advanced load-carrying capacity and compact design, tapered roller bearings are used in wheel bearings, transmissions, differentials, transfer cases and other miscellanous applications. FAG manufacturers over 100 million tapered roller bearings annually.
Product Features:
See More
Product Features:
- High-precision and High-quality components used in all KITs
- Coverage of classic and new high-tech solutions for the best system coverage
FAG US – Bearing – DGBB (Deep Groove Ball Bearing) (Part No.6208-C3)
from
$24.79
We develop and produce high-quality roller bearings, spherical bearings, and plain bearings worldwide for a wide range of applications.
Product Features:
See More
Product Features:
- Radial Ball Bearing, Both Sides Shield.
- Coverage of classic and new high-tech solutions for the best system coverage
FAG US – Cup (Part No.LM501310)
from
$9.99
With advanced load-carrying capacity and compact design, tapered roller bearings are used in wheel bearings, transmissions, differentials, transfer cases and other miscellanous applications. FAG manufacturers over 100 million tapered roller bearings annually.
Product Features:
See More
Product Features:
- High-precision and High-quality components used in all KITs
- Coverage of classic and new high-tech solutions for the best system coverage
FAG US – Cup (Part No.LM67010)
from
$6.69
With advanced load-carrying capacity and compact design, tapered roller bearings are used in wheel bearings, transmissions, differentials, transfer cases and other miscellanous applications. FAG manufacturers over 100 million tapered roller bearings annually.
Product Features:
See More
Product Features:
- High-precision and High-quality components used in all KITs
- Coverage of classic and new high-tech solutions for the best system coverage
Best-Selling 1984 Mercury Topaz Pinion Shaft Seal
Upgrade your Topaz with our best-selling Pinion Shaft Seal.
National – Shaft Repair Sleeve (Part No.99114)
from
$27.99
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
Product Features:
See More
Product Features:
- Designed to repair damaged, grooved or worn shafts
- Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
- Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
- Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
- Easy to install with removable flange and installation tool
Top-Rated Differential Brands For Your 1984 Mercury Topaz
When it comes to finding the perfect Differential for your 1984 Mercury Topaz, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 2 trusted brands. We carry the most popular Differential brands including National, and more, all known for their exceptional customer ratings (average brand rating of 4.3 stars) and competitive prices, as low as $18.99. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1984 Mercury Topaz, providing peace of mind with parts that meet or exceed OEM standards.
Popular National 1984 Mercury Topaz Differentials
If you’re looking for a top-quality Differential for your 1984 Mercury Topaz, Advance Auto Parts has exactly what you need with our selection of National Differentials. We have 1 National Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $18.99, you’ll find the perfect Differential for your needs and budget. National Differentials for the 1984 Mercury Topaz come highly rated, with over 14 customer reviews and an impressive average rating of 4.3 stars. Choosing a National Differential from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
FAQs for 1984 Mercury Topaz Differentials
What are the best-selling Differentials for 1984 Mercury Topazs?
Out of 7 Differentials that fit 1984 Mercury Topazs, the following parts are the top sellers:
- Bearing Race (3277399) – $8.49
- Shaft Repair Sleeve (18445079) – $27.99
- Bearing – TRB (Tapered Roller Bearing) (50211159) – $28.49
What’s the price range for 1984 Mercury Topaz Differentials?
The prices of Differentials for the 1984 Mercury Topaz range from $6.69 up to $28.49 for the most premium parts.
What is the average price of a Differential for a 1984 Mercury Topaz?
The average price for Differentials for the 1984 Mercury Topaz is $18.02. Keep in mind the variety of part types within our Differential category, where you are likely to find a wide range of prices across a variety of parts and components.
Does Advance Auto Parts sell Differentials for other Mercury Topaz model years?
What are the cheapest Differentials for my 1984 Mercury Topaz?
The cheapest 1984 Mercury Topaz Differentials we carry are:
- Cup (50211146) – $6.69
- Bearing Race (3277399) – $8.49
- Cup (50206181) – $9.99
- Multi-Purpose Bearing (3275892) – $18.99
- Bearing – DGBB (Deep Groove Ball Bearing) (50205986) – $24.79
Does Advance Auto Parts sell Differentials for any other 1984 Mercury models?
Yes. We stock Differentials for 4 other popular 1984 Mercury models. Some of the most popular are 1984 Cougar Differentials, 1984 Grand Marquis Differentials, 1984 Capri Differentials, 1984 Marquis Differentials, and 1984 Lynx Differentials.
What are the top-rated Differentials that fit the 1984 Mercury Topaz?
The one 1984 Mercury Topaz Differential we have in stock is the Cup. It costs $6.69.
What types of Differentials do you sell for my 1984 Mercury Topaz?
As of 11/2/25, these are some of the most in-demand types of Differentials for a 1984 Mercury Topaz:
Can I get help with 1984 Mercury Topaz Differential orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Mercury Differentials and more.
What is your return policy for Mercury Topaz Differentials?
Advance Auto Parts keeps returns simple. For new Mercury Topaz Differentials and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.